An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6650-00-466-1697
NSN 5985-00-493-6652
NSN 5950-01-081-7440
NSN 5998-00-989-8367
NSN 6610-01-207-0045
NSN 5998-01-064-3938
NSN 5905-01-119-4259
NSN 5920-01-206-9947
NSN 5950-00-908-9849
NSN 5999-01-563-6173
NSN 5950-01-170-4062
NSN 5998-01-644-5692